History shows polio caused by pesticide exposure, then was eradicated by decline in DDT use Learn more: http://www.naturalnews.com/036290_polio_DDT_pesticide_exposure.html#ixzz22R7JlqDA

NaturalNews One of the most common arguments people often use to defend vaccinations alleges that vaccines are responsible for eradicating epidemic diseases of the past such as polio and smallpox. But a recent investigative review put together by Jeffry John Aufderheide over at VacTruth.com explains not only why this claim is untrue, but also why [...]